Perhaps you should try some spelling variations:
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
ve cham » ve chat, vu cham, ve chim
va cham » va chat, va tham
han tri » han tai, van tri, thanh tri
su xac » pu xac, su cac
xac ky » cac ky, sac ky, bac ky
xuc va » duc va, tuc va, luc va
va han » va phan, van han, va hanh
thiet » thieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su xac ky lang xa hoi. hieu ((ve cham) or (va cham)) xuc va han tri va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su xac ky lang xa hoi. hieu ((ve cham) OR (va cham)) xuc va han tri va thiet.
• Adding a wildcard symbol may retrieve word variants: su xac ky lang xa hoi. hieu ((ve cham) or (va cham)) xuc va han tri va thiet*.